Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Hazardous Weather Conditions

Air Stagnation Advisory in effect from December 29, 11:45 AM PST until January 1, 12:00 PM PST

Current conditions at

Lookout Pass (ITDA7)

Lat: 47.4611°NLon: 115.6937°WElev: 4526.0ft.

25°F

-4°C

Humidity	80%
Wind Speed	S 8 MPH
Barometer	NA
Dewpoint	19°F (-7°C)
Visibility	1.24 mi
Wind Chill	16°F (-9°C)
Last update	30 Dec 01:15 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

11 Miles SSW Haugan MT

Air Stagnation Advisory until January 1, 12:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory until January 1, 12:00pm
NOW until 12:00pm Thu
Air Stagnation Advisory
Overnight
Low: 24 °F
Partly Cloudy
Tuesday
High: 33 °F
Mostly Sunny
Tuesday Night
Low: 28 °F
Mostly Clear
Wednesday
High: 36 °F
Mostly Sunny
Wednesday Night
Low: 25 °F
Partly Cloudy
New Year's Day
High: 33 °F
Slight Chance
Snow
Thursday Night
Low: 29 °F
Chance Snow
then Snow
Friday
High: 35 °F
Rain/Snow

Detailed Forecast

Overnight

Partly cloudy, with a steady temperature around 24. Southeast wind around 8 mph.

Tuesday

Mostly sunny, with a high near 33. East wind 5 to 8 mph becoming calm in the afternoon.

Tuesday Night

Mostly clear, with a low around 28. Southeast wind 5 to 8 mph.

Wednesday

Mostly sunny, with a high near 36. South wind around 5 mph becoming calm in the morning.

Wednesday Night

Partly cloudy, with a low around 25. Light south wind.

New Year's Day

A 20 percent chance of snow after 10am. Mostly cloudy, with a high near 33.

Thursday Night

Snow, mainly after 4am. Low around 29. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday

Rain, possibly mixed with snow, becoming all rain after 4pm. Snow level 5300 feet rising to 6000 feet in the afternoon. High near 35. Chance of precipitation is 80%.

Friday Night

Rain likely before 10pm, then rain, possibly mixed with snow. Snow level 6000 feet. Low around 32. Chance of precipitation is 80%.

Saturday

Rain and snow, becoming all snow after 7am. High near 34. Chance of precipitation is 80%.

Saturday Night

Snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.

Sunday

Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.

Sunday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 26.

Monday

A 50 percent chance of snow. Mostly cloudy, with a high near 33.